Question

3. In a survey of 100 families with two children, the number of familes with two
girls, one girl and no girl were found to be 42, 40 and 18 respectively. Find the
probability that there is one girl in the family that is selected at random​

Answer 1

Answer:

42/100 = 21/50

Step-by-step explanation:

it's just a calculation

Answer 2

Answer:

21/50

Step-by-step explanation:

Total no. of families=100

Total no. of families who has only one girl=42

Probability=No.of outcomes(prefarable)

______________________

Total No.of outcomes

=42/100(By cutting)

= 21/50

HOPE IT HELPS YOU...